@charset "utf-8";
.banner{
    height: 300px;
    background-color: #000;
}
.banner h1{
    color: #fff;
    text-align: center;
    padding-top: 150px;
    line-height: 45px;
}
.banner p{
    text-align: center;
    color:#fff;
    padding: 10px;
}
.case .case-head{
    font-size: 18px;
    font-weight: 900;
    margin-top: 10px;
}
.case .case-head span{
    font-size: 12px;
    color: #999999;
}
.case .case-line{
    height: 3px;
    width: 20px;
    background-color: #1271ef;
    text-align: left;
    margin-top: 10px;
}
/* 案例 */
.case ul{
    margin-top: 26px;
}
.case ul li{
    width: 386px;
    height: 350px;
    float: left;
    border: 1px solid #ccc;
    padding: 10px;
    margin-right: 20px;
    box-sizing: border-box;
}
.case ul li:nth-child(3){
    margin-right: 0;
}
.case ul li img{
    width: 100%;
}
.case ul li h2{
    font-weight: normal;
    margin: 20px 0;
    font-size: 18px;
    font-family: 楷体;
}
.case ul li p{
    font-size: 12px;
    color: #6b6866;
    line-height: 16px;
    font-family: 楷体;
}
.case ul li a{
    font-size: 14px;
    color: #1271ef;
    font-family: 楷体;
}
/* 合作伙伴 */
.partner{
    margin-top: 30px;
}
.partner ul{
    margin-top: 26px;
}
.partner ul li{
    width: 380px;
    height: 120px;
    float: left;
    border: 1px solid #fff;
    margin-right: 20px;
    margin-bottom: 20px;
    box-sizing: border-box;
    position: relative;
    background-color:#cba;
}
.partner ul li:nth-child(3n){
    margin-right: 0;
}
.partner ul li .boy{
    display: block;
    position: absolute; 
    left: 50%; 
    top: 50%; 
    width: 120px;
    transform: translate(-50%, -50%);
    background-repeat: no-repeat;
}
/* 选项 */
aside{
    position: fixed;
    top: 400px;
    right: 60px;
}
aside a{
    display: block;
    color: black;
    margin-bottom: 50px;
}
aside a::before{
    content: '';
    display: inline-block;
    width: 18px;
    height: 4px;
    background-color: #1271ef;
    display: none;
    position: absolute;
    top: 8px;
    left: -18px;
}